317 lines
12 KiB
C#
317 lines
12 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.Security;
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using System.Security.Authentication;
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using System.Security.Principal;
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using System.Threading;
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using System.Web;
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using ASC.Common.Logging;
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using ASC.Common.Security;
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using ASC.Common.Security.Authentication;
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using ASC.Common.Security.Authorizing;
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using ASC.Core.Billing;
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using ASC.Core.Common.Security;
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using ASC.Core.Security.Authentication;
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using ASC.Core.Tenants;
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using ASC.Core.Users;
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using ASC.Security.Cryptography;
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using Microsoft.AspNetCore.Http;
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namespace ASC.Core
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{
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public class SecurityContext
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{
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private static readonly ILog log = LogManager.GetLogger("ASC.Core");
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public IAccount CurrentAccount
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{
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get => AuthContext.CurrentAccount;
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}
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public bool IsAuthenticated
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{
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get => AuthContext.IsAuthenticated;
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}
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public UserManager UserManager { get; }
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public AuthManager Authentication { get; }
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public AuthContext AuthContext { get; }
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public IHttpContextAccessor HttpContextAccessor { get; }
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public SecurityContext(
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IHttpContextAccessor httpContextAccessor,
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UserManager userManager,
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AuthManager authentication,
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AuthContext authContext
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)
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{
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UserManager = userManager;
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Authentication = authentication;
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AuthContext = authContext;
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HttpContextAccessor = httpContextAccessor;
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}
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public string AuthenticateMe(string login, string password)
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{
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if (login == null) throw new ArgumentNullException("login");
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if (password == null) throw new ArgumentNullException("password");
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var tenantid = CoreContext.TenantManager.GetCurrentTenant().TenantId;
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var u = UserManager.GetUsers(tenantid, login, Hasher.Base64Hash(password, HashAlg.SHA256));
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return AuthenticateMe(new UserAccount(u, tenantid));
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}
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public bool AuthenticateMe(string cookie)
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{
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if (!string.IsNullOrEmpty(cookie))
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{
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if (cookie.Equals("Bearer", StringComparison.InvariantCulture))
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{
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var ipFrom = string.Empty;
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var address = string.Empty;
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if (HttpContextAccessor?.HttpContext != null)
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{
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var request = HttpContextAccessor?.HttpContext.Request;
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ipFrom = "from " + (request.Headers["X-Forwarded-For"].ToString() ?? request.GetUserHostAddress());
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address = "for " + request.GetUrlRewriter();
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}
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log.InfoFormat("Empty Bearer cookie: {0} {1}", ipFrom, address);
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}
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else if (CookieStorage.DecryptCookie(cookie, out var tenant, out var userid, out var login, out var password, out var indexTenant, out var expire, out var indexUser))
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{
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if (tenant != CoreContext.TenantManager.GetCurrentTenant().TenantId)
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{
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return false;
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}
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var settingsTenant = TenantCookieSettings.GetForTenant(tenant);
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if (indexTenant != settingsTenant.Index)
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{
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return false;
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}
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if (expire != DateTime.MaxValue && expire < DateTime.UtcNow)
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{
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return false;
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}
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try
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{
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if (userid != Guid.Empty)
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{
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var settingsUser = TenantCookieSettings.GetForUser(userid);
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if (indexUser != settingsUser.Index)
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{
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return false;
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}
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AuthenticateMe(new UserAccount(new UserInfo { ID = userid }, tenant));
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}
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else
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{
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AuthenticateMe(login, password);
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}
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return true;
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}
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catch (InvalidCredentialException ice)
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{
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log.DebugFormat("{0}: cookie {1}, tenant {2}, userid {3}, login {4}, pass {5}",
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ice.Message, cookie, tenant, userid, login, password);
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}
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catch (SecurityException se)
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{
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log.DebugFormat("{0}: cookie {1}, tenant {2}, userid {3}, login {4}, pass {5}",
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se.Message, cookie, tenant, userid, login, password);
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}
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catch (Exception err)
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{
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log.ErrorFormat("Authenticate error: cookie {0}, tenant {1}, userid {2}, login {3}, pass {4}: {5}",
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cookie, tenant, userid, login, password, err);
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}
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}
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else
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{
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var ipFrom = string.Empty;
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var address = string.Empty;
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if (HttpContextAccessor?.HttpContext != null)
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{
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var request = HttpContextAccessor?.HttpContext.Request;
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address = "for " + request.GetUrlRewriter();
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ipFrom = "from " + (request.Headers["X-Forwarded-For"].ToString() ?? request.GetUserHostAddress());
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}
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log.WarnFormat("Can not decrypt cookie: {0} {1} {2}", cookie, ipFrom, address);
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}
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}
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return false;
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}
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public string AuthenticateMe(IAccount account)
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{
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if (account == null || account.Equals(Configuration.Constants.Guest)) throw new InvalidCredentialException("account");
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var roles = new List<string> { Role.Everyone };
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string cookie = null;
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if (account is ISystemAccount && account.ID == Configuration.Constants.CoreSystem.ID)
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{
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roles.Add(Role.System);
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}
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if (account is IUserAccount)
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{
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var tenant = CoreContext.TenantManager.GetCurrentTenant();
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var u = UserManager.GetUsers(tenant.TenantId, account.ID);
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if (u.ID == Users.Constants.LostUser.ID)
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{
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throw new InvalidCredentialException("Invalid username or password.");
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}
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if (u.Status != EmployeeStatus.Active)
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{
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throw new SecurityException("Account disabled.");
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}
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// for LDAP users only
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if (u.Sid != null)
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{
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if (!CoreContext.TenantManager.GetTenantQuota(tenant.TenantId).Ldap)
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{
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throw new BillingException("Your tariff plan does not support this option.", "Ldap");
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}
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}
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if (UserManager.IsUserInGroup(tenant, u.ID, Users.Constants.GroupAdmin.ID))
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{
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roles.Add(Role.Administrators);
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}
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roles.Add(Role.Users);
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account = new UserAccount(u, CoreContext.TenantManager.GetCurrentTenant().TenantId);
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cookie = CookieStorage.EncryptCookie(CoreContext.TenantManager.GetCurrentTenant().TenantId, account.ID);
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}
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AuthContext.Principal = new GenericPrincipal(account, roles.ToArray());
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return cookie;
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}
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public string AuthenticateMe(int tenantId, Guid userId)
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{
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return AuthenticateMe(Authentication.GetAccountByID(tenantId, userId));
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}
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public void Logout()
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{
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AuthContext.Principal = null;
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}
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public void SetUserPassword(int tenantId, Guid userID, string password)
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{
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Authentication.SetUserPassword(tenantId, userID, password);
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}
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}
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public class PermissionContext
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{
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public IPermissionResolver PermissionResolver { get; private set; }
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public AuthContext AuthContext { get; }
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public PermissionContext(IPermissionResolver permissionResolver, AuthContext authContext)
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{
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PermissionResolver = permissionResolver;
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AuthContext = authContext;
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}
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public bool CheckPermissions(Tenant tenant, params IAction[] actions)
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{
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return PermissionResolver.Check(tenant, AuthContext.CurrentAccount, actions);
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}
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public bool CheckPermissions(Tenant tenant, ISecurityObject securityObject, params IAction[] actions)
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{
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return CheckPermissions(tenant, securityObject, null, actions);
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}
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public bool CheckPermissions(Tenant tenant, ISecurityObjectId objectId, ISecurityObjectProvider securityObjProvider, params IAction[] actions)
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{
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return PermissionResolver.Check(tenant, AuthContext.CurrentAccount, objectId, securityObjProvider, actions);
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}
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public void DemandPermissions(Tenant tenant, params IAction[] actions)
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{
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PermissionResolver.Demand(tenant, AuthContext.CurrentAccount, actions);
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}
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public void DemandPermissions(Tenant tenant, ISecurityObject securityObject, params IAction[] actions)
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{
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DemandPermissions(tenant, securityObject, null, actions);
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}
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public void DemandPermissions(Tenant tenant, ISecurityObjectId objectId, ISecurityObjectProvider securityObjProvider, params IAction[] actions)
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{
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PermissionResolver.Demand(tenant, AuthContext.CurrentAccount, objectId, securityObjProvider, actions);
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}
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}
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public class AuthContext
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{
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public AuthContext(IHttpContextAccessor httpContextAccessor)
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{
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HttpContextAccessor = httpContextAccessor;
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}
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public IAccount CurrentAccount
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{
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get { return Principal?.Identity is IAccount ? (IAccount)Principal.Identity : Configuration.Constants.Guest; }
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}
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public bool IsAuthenticated
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{
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get { return CurrentAccount.IsAuthenticated; }
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}
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public IHttpContextAccessor HttpContextAccessor { get; }
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internal IPrincipal Principal
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{
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get => Thread.CurrentPrincipal ?? HttpContextAccessor?.HttpContext?.User;
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set
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{
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var principal = new CustomClaimsPrincipal(value);
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Thread.CurrentPrincipal = principal;
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if (HttpContextAccessor?.HttpContext != null) HttpContextAccessor.HttpContext.User = principal;
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}
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}
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}
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} |